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Finding the Fourth Proportional to 582,729.52, 874,094.28 and 209,014.96

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Solution

The fourth proportional to 582,729.52, 874,094.28 and 209,014.96 is: 313,522.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,729.52 : 874,094.28 = 209,014.96 : x
  2. Step 2: Convert to fraction form
    582,729.52/874,094.28 = 209,014.96/x
  3. Step 3: Cross multiply
    582,729.52x = 874,094.28 × 209,014.96
  4. Step 4: Simplify right side
    582,729.52x = 182,698,780,970.43
  5. Step 5: Solve for x
    x = 182,698,780,970.43/582,729.52
  6. Step 6: Final answer
    x = 313,522.44

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.